package com.ruoyi.system.controller;

import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang3.ArrayUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.web.controller.BaseController;
import com.ruoyi.common.core.web.domain.AjaxResult;
import com.ruoyi.common.log.annotation.Log;
import com.ruoyi.common.log.enums.BusinessType;
import com.ruoyi.common.security.annotation.RequiresPermissions;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.domain.SysDept;
import com.ruoyi.system.service.ISysDeptService;

/**
 * 部门信息
 *
 * @author ruoyi
 */
@RestController
@RequestMapping("/dept" )
public class SysDeptController extends BaseController {
    @Autowired
    private ISysDeptService deptService;

    /**
     * 获取部门列表
     */
    @RequiresPermissions("system:dept:list" )
    @GetMapping("/list" )
    public AjaxResult list(SysDept dept) {
        List<SysDept> depts = deptService.selectDeptList(dept);
        return AjaxResult.success(depts);
    }

    /**
     * 查询部门列表（排除节点）
     */
    @RequiresPermissions("system:dept:list" )
    @GetMapping("/list/exclude/{deptId}" )
    public AjaxResult excludeChild(@PathVariable(value = "deptId" , required = false) Long deptId) {
        List<SysDept> depts = deptService.selectDeptList(new SysDept());
        Iterator<SysDept> it = depts.iterator();
        while (it.hasNext()) {
            SysDept d = (SysDept) it.next();
            if (d.getDeptId().intValue() == deptId
                    || ArrayUtils.contains(StringUtils.split(d.getAncestors(), "," ), deptId + "" )) {
                it.remove();
            }
        }
        return AjaxResult.success(depts);
    }

    /**
     * 根据部门编号获取详细信息
     */
    @RequiresPermissions("system:dept:query" )
    @GetMapping(value = "/{deptId}" )
    public AjaxResult getInfo(@PathVariable Long deptId) {
        deptService.checkDeptDataScope(deptId);
        return AjaxResult.success(deptService.selectDeptById(deptId));
    }

    /**
     * 获取部门下拉树列表
     */
    @GetMapping("/treeselect" )
    public AjaxResult treeselect(SysDept dept) {
        List<SysDept> depts = deptService.selectDeptList(dept);
        return AjaxResult.success(deptService.buildDeptTreeSelect(depts));
    }

    /**
     * 加载对应角色部门列表树
     */
    @GetMapping(value = "/roleDeptTreeselect/{roleId}" )
    public AjaxResult roleDeptTreeselect(@PathVariable("roleId" ) Long roleId) {
        List<SysDept> depts = deptService.selectDeptList(new SysDept());
        AjaxResult ajax = AjaxResult.success();
        ajax.put("checkedKeys" , deptService.selectDeptListByRoleId(roleId));
        ajax.put("depts" , deptService.buildDeptTreeSelect(depts));
        return ajax;
    }

    /**
     * 新增部门
     */
    @RequiresPermissions("system:dept:add" )
    @Log(title = "部门管理" , businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysDept dept) {
        if (UserConstants.NOT_UNIQUE.equals(deptService.checkDeptNameUnique(dept))) {
            return AjaxResult.error("新增部门'" + dept.getDeptName() + "'失败，部门名称已存在" );
        }
        dept.setCreateBy(SecurityUtils.getUsername());
        return toAjax(deptService.insertDept(dept));
    }

    /**
     * 修改部门
     */
    @RequiresPermissions("system:dept:edit" )
    @Log(title = "部门管理" , businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysDept dept) {
        Long deptId = dept.getDeptId();
        deptService.checkDeptDataScope(deptId);
        if (UserConstants.NOT_UNIQUE.equals(deptService.checkDeptNameUnique(dept))) {
            return AjaxResult.error("修改部门'" + dept.getDeptName() + "'失败，部门名称已存在" );
        } else if (dept.getParentId().equals(deptId)) {
            return AjaxResult.error("修改部门'" + dept.getDeptName() + "'失败，上级部门不能是自己" );
        } else if (StringUtils.equals(UserConstants.DEPT_DISABLE, dept.getStatus()) && deptService.selectNormalChildrenDeptById(deptId) > 0) {
            return AjaxResult.error("该部门包含未停用的子部门！" );
        }
        dept.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(deptService.updateDept(dept));
    }

    /**
     * 删除部门
     */
    @RequiresPermissions("system:dept:remove" )
    @Log(title = "部门管理" , businessType = BusinessType.DELETE)
    @DeleteMapping("/{deptId}" )
    public AjaxResult remove(@PathVariable Long deptId) {
        if (deptService.hasChildByDeptId(deptId)) {
            return AjaxResult.error("存在下级部门,不允许删除" );
        }
        if (deptService.checkDeptExistUser(deptId)) {
            return AjaxResult.error("部门存在用户,不允许删除" );
        }
        deptService.checkDeptDataScope(deptId);
        return toAjax(deptService.deleteDeptById(deptId));
    }
}
